. >> that's murphy's law. you take every threat seriously. if you fail to act on it one time because you've already done it 100 times, that will be when something happens. >> reporter: they learned about the threat here from an alert put out by school officials put out on social media, and texts. >> a little bit uneasy. you never know what's going to happen. >> and when you got that text. >> yeah. that just kind of heightened in. >> reporter: in antioch this afternoon, deer valley high school also reported hearing there was a bomb on campus. the school was evacuatedk and police conducted a search, but found nothing to substantiate the threat. amber lee, ktvu, channel 2 news. >>> a big rig accident snarled one leg of the evening commute on the peninsula tonight. shortly after 5:00 this evening, at the highway 101 interchange with highway 92 in san mateo. the driver was making the transition from 92 to 101 when the truck tipped over and ended up on its side. now to richmond, where the foodsco grocery store was evacuated this afternoon. the cont